first commit

services/cart/routes.go

@@ -0,0 +1,77 @@
+package cart
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gorilla/mux"
+	"sismedika.com/sas/westone/services/auth"
+	"sismedika.com/sas/westone/types"
+	"sismedika.com/sas/westone/utils"
+)
+
+type Handler struct {
+	store      types.ProductStore
+	orderStore types.OrderStore
+	userStore  types.UserStore
+}
+
+func NewHandler(
+	store types.ProductStore,
+	orderStore types.OrderStore,
+	userStore types.UserStore,
+) *Handler {
+	return &Handler{
+		store:      store,
+		orderStore: orderStore,
+		userStore:  userStore,
+	}
+}
+
+func (h *Handler) RegisterRoutes(router *mux.Router) {
+	cart := router.PathPrefix("/cart").Subrouter()
+	cart.Use(auth.AuthMiddleware)
+	cart.HandleFunc("/checkout", h.handleCheckout).Methods(http.MethodPost)
+	// router.HandleFunc("/cart/checkout", auth.WithJWTAuth(h.handleCheckout)).Methods(http.MethodPost)
+}
+
+func (h *Handler) handleCheckout(w http.ResponseWriter, r *http.Request) {
+	userID := auth.GetUserIDFromContext(r.Context())
+
+	var cart types.CartCheckoutPayload
+	if err := utils.ParseJSON(r, &cart); err != nil {
+		utils.WriteError(w, http.StatusBadRequest, err)
+		return
+	}
+
+	if err := utils.Validate.Struct(cart); err != nil {
+		errors := err.(validator.ValidationErrors)
+		utils.WriteError(w, http.StatusBadRequest, fmt.Errorf("invalid payload: %v", errors))
+		return
+	}
+
+	productIds, err := getCartItemsIDs(cart.Items)
+	if err != nil {
+		utils.WriteError(w, http.StatusBadRequest, err)
+		return
+	}
+
+	// get products
+	products, err := h.store.GetProductsByID(productIds)
+	if err != nil {
+		utils.WriteError(w, http.StatusInternalServerError, err)
+		return
+	}
+
+	orderID, totalPrice, err := h.createOrder(products, cart.Items, userID)
+	if err != nil {
+		utils.WriteError(w, http.StatusBadRequest, err)
+		return
+	}
+
+	utils.WriteJSON(w, http.StatusOK, map[string]interface{}{
+		"total_price": totalPrice,
+		"order_id":    orderID,
+	})
+}